Field motion suppression in interlaced video displays

Details Field motion suppression in interlaced video displays Field motion suppression in interlaced video displays

1988-05-02

1989-07-04

Britton, Howard W.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358135, 358136, H04N 718, H04N 712

Patent

active

048455571

ABSTRACT:
A field motion suppression technique in interlaced video displays produces a motion suppressed frame without the use of a fixed threshold for motion detection. One of two interlaced fields is selected to remain unchanged, and the other field is examined on a pixel by pixel basis using vertical pixels both above and below from both fields to determine motion for each pixel. When motion is detected for a pixel, the pixel value is replaced with an interpolated value from the unchanged field, otherwise the pixel value is left unchanged.

REFERENCES:
patent: 3716670 (1973-02-01), Lowry
patent: 4663665 (1987-05-01), Tanaka et al.
patent: 4733297 (1988-03-01), Katsumata et al.
patent: 4760446 (1988-07-01), Ninomiya et al.
patent: 4768092 (1988-08-01), Ushikawa

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